72425553000749 has 4 divisors (see below), whose sum is σ = 77996749385436. Its totient is φ = 66854356616064.

The previous prime is 72425553000739. The next prime is 72425553000791. The reversal of 72425553000749 is 94700035552427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33601812043849 + 38823740956900 = 5796707^2 + 6230870^2 .

It is a cyclic number.

It is not a de Polignac number, because 72425553000749 - 2³⁶ = 72356833524013 is a prime.

It is a super-2 number, since 2×72425553000749² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72425553000749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72425553000739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785598192324 + ... + 2785598192349.

It is an arithmetic number, because the mean of its divisors is an integer number (19499187346359).

Almost surely, 2^{72425553000749} is an apocalyptic number.

It is an amenable number.

72425553000749 is a deficient number, since it is larger than the sum of its proper divisors (5571196384687).

72425553000749 is a wasteful number, since it uses less digits than its factorization.

72425553000749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571196384686.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 72425553000749 in words is "seventy-two trillion, four hundred twenty-five billion, five hundred fifty-three million, seven hundred forty-nine", and thus it is an aban number.